Home / 27,137,981.63-40,673,622.43-12,545,161.88

Finding the Fourth Proportional to 27,137,981.63, 40,673,622.43 and 12,545,161.88

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Solution

The fourth proportional to 27,137,981.63, 40,673,622.43 and 12,545,161.88 is: 18,802,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137,981.63 : 40,673,622.43 = 12,545,161.88 : x
  2. Step 2: Convert to fraction form
    27,137,981.63/40,673,622.43 = 12,545,161.88/x
  3. Step 3: Cross multiply
    27,137,981.63x = 40,673,622.43 × 12,545,161.88
  4. Step 4: Simplify right side
    27,137,981.63x = 510,257,177,497,302
  5. Step 5: Solve for x
    x = 510,257,177,497,302/27,137,981.63
  6. Step 6: Final answer
    x = 18,802,326.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.